n

NEWS.md

@@ -13,6 +13,7 @@
 - `polys` argument "alpha" was ignored if a single color was used. [#1413](https://github.com/rspatial/terra/issues/1413) by Derek Friend
 - `query` ignore the "vars" argument if all rows were selected. [#1398](https://github.com/rspatial/terra/issues/1398) by erkent-carb.
 - `spatSample` ignored "replace=TRUE" with random sampling, na.rm=TRUE, and a sample size larger than the non NA cells. [#1411](https://github.com/rspatial/terra/issues/1411) by Babak Naimi
+- `spatSample` sometimes returned fewer values than requested and available for lonlat rasters. [#1396](https://github.com/rspatial/terra/issues/1396) by Márcia Barbosa.
 
 
 ## enhancements
@@ -26,6 +27,7 @@
 
 - `prcomp<SpatRaster>` method [#1361](https://github.com/rspatial/terra/issues/1361#issuecomment-1860311029) by Jakub Nowosad
 - `add_box` to add a box around the map. The box is drawn where the axes are, not around the plotting region.
+- `getTileExtents` provides the extents of for tiles. These may be used in parallelization. See [#1391](https://github.com/rspatial/terra/issues/1391) by Alex Ilich.
 
 
 # version 1.7-65

R/tiles.R

@@ -26,7 +26,7 @@ setMethod("makeTiles", signature(x="SpatRaster"),
 
 
 setMethod("getTileExtents", signature(x="SpatRaster"),
-	function(x, y, extend=FALSE, na.rm=FALSE, buffer=0) {
+	function(x, y, extend=FALSE, buffer=0) {
 
 		opt <- spatOptions(filename="")
 		if (inherits(y, "SpatRaster")) {

man/makeTiles.Rd

@@ -27,7 +27,7 @@ Divide a SpatRaster into "tiles". The cells of another SpatRaster (normally with
 
 \arguments{
   \item{x}{SpatRaster}
-  \item{y}{SpatRaster, SpatVector, or numeric}
+  \item{y}{SpatRaster or SpatVector defining the zones; or numeric specifying the number of rows and columns for each zone (1 or 2 numbers if the number of rows and columns is not the same)}
   \item{filename}{character. Output filename template. Filenames will be altered by adding the tile number for each tile}
   \item{extend}{logical. If \code{TRUE}, the extent of \code{y} is expanded to assure that it covers all of \code{x}}
   \item{na.rm}{logical. If \code{TRUE}, tiles with only missing values are ignored}
@@ -51,6 +51,11 @@ character (filenames) or matrix (extents)
 r <- rast(ncols=100, nrows=100)
 values(r) <- 1:ncell(r)
 x <- rast(ncols=2, nrows=2)
+
+getTileExtents(r, x)
+getTileExtents(r, x, buffer=3)
+
+
 filename <- paste0(tempfile(), "_.tif")
 ff <- makeTiles(r, x, filename)
 ff

man/vrt.Rd

@@ -17,7 +17,7 @@ Create a Virtual Raster Dataset (VRT) from a collection of file-based raster dat
 }
 
 \arguments{
-  \item{x}{character. Filenames of raster "tiles". See \code{\link{tiles}}}
+  \item{x}{character. Filenames of raster "tiles". That is, files that have data for, typically non-overlapping, sub-regions of an raster. See \code{\link{makeTiles}}}
   \item{filename}{character. output VRT filename}  
   \item{options}{character. All arguments as separate vector elements. Options as for \href{https://gdal.org/programs/gdalbuildvrt.html}{gdalbuildvrt}}
   \item{overwrite}{logical. Should \code{filename} be overwritten if it exists?}